CN116060882A - Processing method for mass production of double-joint fork - Google Patents
Processing method for mass production of double-joint fork Download PDFInfo
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- CN116060882A CN116060882A CN202310012406.0A CN202310012406A CN116060882A CN 116060882 A CN116060882 A CN 116060882A CN 202310012406 A CN202310012406 A CN 202310012406A CN 116060882 A CN116060882 A CN 116060882A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 49
- 238000003754 machining Methods 0.000 claims abstract description 20
- 238000005242 forging Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 14
- 238000005553 drilling Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
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Abstract
The invention provides a processing method for mass production of double-joint forks, which comprises the following steps: step one, forging and processing a blank, and automatically loading the blank to a four-axis machine tool by using a truss manipulator; step two, the left front end of the blank moves to the first left main shaft to obtain a first left hole and a first right hole through machining; step three, moving the left rear end of the blank to the position of a first left main shaft, and processing to obtain a second left hole and a second right hole; step four, performing fine boring processing on the first left side hole and the first right side hole; fifthly, finely boring the second right side hole and the second left side hole; step six, processing a first snap spring groove on the first left side hole and processing a snap spring groove on the second left side hole; step six, processing a third clamp spring groove on the first right side hole, and processing a fourth clamp spring groove on the second right side hole to obtain a double-joint fork; and step seven, unloading is carried out. The invention accelerates the processing beat and improves the processing efficiency and the yield.
Description
Technical Field
The invention relates to the technical field of forging piece processing, in particular to a processing method for mass production of double-joint forks.
Background
The double-joint fork can transmit power between rotating shafts of different axes, is widely applied to products such as automobiles, engineering machinery and the like, and is a key component for power transmission. The double-joint fork adopts a forging piece as a blank, an inner fork inclined plane and an arc ear are arranged on the blank, clamping is carried out on the blank, and then machining procedures such as drilling and the like are carried out to manufacture the double-joint fork. The existing double-joint fork adopts a single shaft to carry out hole processing, the single shaft is arranged above the circular arc ear, the circular arc ear is drilled from the upper part, after the drilling is finished, a blank needs to be overturned, then holes on the other side are processed, after the hole processing is finished, a tool is changed to carry out clamp spring groove processing, and the overturning is also needed, so that the production beat of a product is long, the requirements of customers cannot be met, the additional value of a plurality of equipment products is purchased, the support is insufficient, the single cost is too high, the profit is thin, the process quality stability is poor, and the PPM (production process and processing method) is high. In addition, the blank is clamped by adopting a simple clamping structure, so that the blank is easy to slide relatively during processing, and the processing quality and the yield are affected. Therefore, a new solution is needed to solve at least one of the above problems.
Disclosure of Invention
The invention aims to provide a processing method for mass production of double-link forks, which accelerates the processing beat and improves the processing efficiency and yield.
In order to achieve the technical purpose and meet the technical requirements, the invention adopts the technical scheme that: the processing method for mass production of the double-joint fork is characterized by comprising the following steps of:
step one, forging and processing a blank, wherein a truss manipulator automatically loads the blank to a four-axis machine tool, the four-axis machine tool comprises a machine table, a clamp movably arranged on the machine table, a first left main shaft and a second left main shaft which are arranged on the left side of the blank, and a first right main shaft and a second right main shaft which are arranged on the right side of the blank, and the clamp clamps the blank;
step two, after the clamp clamps and positions the blank, moving the left front end of the blank to the first left main shaft, and drilling and countersinking the blank by the first left main shaft to obtain a first left hole and a first right hole;
after the step two is completed, moving the left rear end of the blank to the first left main shaft, and drilling and countersinking the blank by the first left main shaft to obtain a second left hole and a second right hole;
after the step three is completed, moving the first right hole to the first right main shaft, and finely boring the first right hole and the first left hole by the first right main shaft;
step five, after the step four is completed, moving the second right hole to the first right main shaft, and finely boring the second right hole and the second left hole by the first right main shaft;
step six, after the step five is completed, moving the first left side hole to the second left main shaft, performing first jump ring groove processing on the first left side hole by the second left main shaft, after the first jump ring groove processing is completed, moving the second left side hole to the second left main shaft, and performing second jump ring groove processing on the second left side hole by the first right main shaft;
step six, after the second snap spring groove is machined, moving the first right side hole to the second right main shaft, wherein the second right main shaft carries out third snap spring groove machining on the first right side hole, after the third snap spring groove machining is finished, moving the second right side hole to the second right main shaft, and the second right main shaft carries out fourth snap spring groove machining on the second right side hole, so that a double-joint fork is obtained;
and step seven, loosening the clamp, and unloading the double-joint fork by the truss manipulator.
As a preferable technical scheme, after the step seven is completed, the truss manipulator moves the duplex yoke to a detection device, and the detection device detects at least 2 of the first left hole, the second left hole, the first right hole and the second right hole.
As the preferable technical scheme, detection device includes the mount, at least 1 can dismantle the cylinder that sets up on the mount, at least 1 detection head, pneumatic measuring instrument, be equipped with the piston rod in the cylinder, the piston rod deviates from the one end of cylinder can dismantle and be equipped with the slide, the detection head can dismantle the setting and be in on the slide, the slide with cylinder sliding connection, the detection head with pneumatic measuring instrument electricity is even.
As the preferable technical scheme, the connecting plate is detachably arranged on the sliding plate, and the detection head is detachably arranged on the connecting plate.
As the preferable technical scheme, the number of the air cylinders is 2, the number of the detection heads is 2, and the 2 detection heads are electrically connected with the pneumatic measuring instrument.
As the preferable technical scheme, the truss manipulator comprises a truss, a transverse moving module arranged on the truss, a vertical moving module connected with the sliding end of the transverse moving module, and an upper and lower feed box arranged below the vertical moving module, wherein a clamping jaw is arranged at the bottom end of the vertical moving module.
As the preferable technical scheme, the blank comprises a ring body, wherein a left front ear and a left rear ear are arranged at the left end of the ring body, and a right front ear and a right rear ear are arranged at the right end of the ring body.
As the preferable technical scheme, anchor clamps include that the slip sets up first sliding seat and second sliding seat on the board, be equipped with first connecting seat on the first sliding seat, the symmetry is equipped with first left gripping plate and first right gripping plate on the first connecting seat, be equipped with the second connecting seat on the second sliding seat, the symmetry is equipped with second left gripping plate and second right gripping plate on the second connecting seat, be equipped with first interior gripping block on the first connecting seat, be equipped with the interior gripping block of second on the second connecting seat.
As the preferable technical scheme, all be equipped with V-arrangement opening on first left grip block, the left grip block of second, the right grip block of first, the right grip block of second.
As a preferable technical scheme, the first clamping block and the second clamping block are in a T shape, and one ends of the first clamping block and the second clamping block, which face the blank, are in a V shape.
The beneficial effects of the invention are as follows:
1) The first left main shaft and the second left main shaft are arranged on the left side of the blank, and the first right main shaft and the second right main shaft are arranged on the right side of the blank, so that the left side and the right side of the blank are processed without overturning, and the second left main shaft and the second right main shaft respectively process the holes on the two sides of the blank into clamp spring grooves, thereby accelerating the processing beat and improving the processing efficiency and the yield;
2) Preferably, the detection device detects the hole on the blank and judges whether the inner diameter and the shape of the hole meet the requirements;
3) Preferably, the detection head drives the detection head to move through the air cylinder, so that the detection position is more accurate and the flexibility is better;
4) Preferably, 2 detection heads improve detection efficiency;
5) Preferably, the truss manipulator realizes the transverse movement and the vertical movement of grabbing, and improves the production efficiency;
6) Preferably, the first left clamping plate, the second left clamping plate, the third right clamping plate and the fourth right clamping plate clamp the blank, and then the first clamping block and the second clamping block are utilized to further clamp and position the blank, so that the blank is prevented from sliding relatively during processing, and the processing quality and the yield are improved;
7) Preferably, the V-shaped notch is matched with the left front ear, the left rear ear, the right front ear and the right rear ear on the blank, so that the clamping effect is better;
8) Preferably, the first clamping block and the second clamping block are matched with the inner surface of the blank, so that the clamping effect is further improved.
Drawings
FIG. 1 is a block diagram of a truss manipulator and four-axis machine tool provided in one embodiment of the invention;
FIG. 2 is a diagram of a portion of a peripheral machine tool according to one embodiment of the present invention;
FIG. 3 is a partial block diagram of a clamp according to one embodiment of the present invention;
FIG. 4 is a cross-sectional view of a clamp provided in one embodiment of the invention;
FIG. 5 is a block diagram of a detection device according to an embodiment of the present invention;
FIG. 6 is a three-dimensional view of a blank provided in one embodiment of the invention;
FIG. 7 is a view in one direction of FIG. 6;
FIG. 8 is a block diagram of a dual yoke provided in one embodiment of the invention;
fig. 9 is a cross-sectional view of a dual yoke provided in one embodiment of the present invention.
In fig. 1-9, 1, blank; 101. a ring body; 102. left anterior ear; 1021. a first left hole; 103. left posterior ear; 1031. a second left hole; 104. a right anterior ear; 1041. a first right hole; 105. a right posterior ear; 1051. a second right hole; 106. an inner fork inclined plane; 2. truss manipulator; 201. truss; 202. a lateral movement module; 203. a vertical moving module; 204. a clamping jaw; 205. feeding and discharging boxes; 3. a four-axis machine tool; 301. a machine table; 302. a clamp; 3021. a first sliding seat; 3022. a second sliding seat; 3023. a first connection base; 3024. a first left clamping plate; 3025. a first right clamping plate; 3026. a second connecting seat; 3027. a second left clamping plate; 3028. a second right clamping plate; 3029. a first clamping block; 3030. a second clamping block; 3031. v-shaped notch; 303. a first left main shaft; 304. a second left main shaft; 305. a first right main shaft; 306. a second right main shaft; 307. a housing; 4. a detection device; 401. a fixing frame; 402. a cylinder; 403. a detection head; 404. a piston rod; 405. a slide plate; 406. a connecting plate; 5. a hydraulic clamping cylinder; 6. a hydraulic piston; 7. and (3) a spring.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if the terms "top", "bottom", "left", "right", "front", "rear", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience in describing the present invention, and it is not indicated or implied that the devices or elements referred to must have specific orientations, be configured and operated in specific orientations, so that the terms describing the positional relationships in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-9, an object of the present invention is to provide a method for mass production of a duplex yoke, comprising the following steps:
step one, forging a blank 1, wherein a truss manipulator 2 automatically loads the blank 1 to a four-axis machine tool 3, the four-axis machine tool 3 comprises a machine table 301, a clamp 302 movably arranged on the machine table 301, a first left main shaft 303 and a second left main shaft 304 arranged on the left side of the blank 1, a first right main shaft 305 and a second right main shaft 306 arranged on the right side of the blank 1, and the clamp 302 clamps the blank 1;
step two, after the clamp 302 clamps and positions the blank 1, moving the left front end of the blank 1 to the position of the first left main shaft 303, and drilling and countersinking the blank 1 by the first left main shaft 303 to obtain a first left hole 1021 and a first right hole 1041;
after the step three is completed, moving the left rear end of the blank 1 to the position of the first left main shaft 303, and drilling and countersinking the blank 1 by the first left main shaft 303 to obtain a second left hole 1031 and a second right hole 1051;
after the step three is completed, moving the first right hole 1041 to the first right spindle 305, and performing finish boring on the first right hole 1041 and the first left hole 1021 by the first right spindle 305;
step five, after the step four is completed, moving the second right hole 1051 to the position of the first right spindle 305, and performing finish boring on the second right hole 1051 and the second left hole 1031 by the first right spindle 305;
step six, after the step five is completed, moving the first left hole 1021 to the second left main shaft 304, the second left main shaft 304 performs a first snap spring groove processing on the first left hole 1021, after the first snap spring groove processing is completed, moving the second left hole 1031 to the second left main shaft 304, and the first right main shaft 305 performs a second snap spring groove processing on the second left hole 1031;
step six, after the second snap spring groove is machined, moving the first right side hole 1041 to the second right main shaft 306, wherein the second right main shaft 306 performs third snap spring groove machining on the first right side hole 1041, and after the third snap spring groove machining is completed, moving the second right side hole 1051 to the second right main shaft 306, and the second right main shaft 306 performs fourth snap spring groove machining on the second right side hole 1051 to obtain a double-link fork;
and step seven, loosening the clamp 302, and unloading the double-joint fork by the truss manipulator 2.
The blank 1 comprises a ring body 101, a left front ear 102 and a left rear ear 103 are arranged at the left end of the ring body 101, a right front ear 104 and a right rear ear 105 are arranged at the right end of the ring body 101, in the existing processing device, the left front ear 102 and the left rear ear 103 are subjected to hole processing from above, then are turned over, the right front ear 104 and the right rear ear 105 are subjected to hole processing, then a single shaft is used for processing a clamp spring groove, the turning over is still needed, the processing time is slowed down, according to the actual test, the processing time of each double-joint fork is 8+/-2 minutes, according to the structure of the double-joint fork, a first left main shaft 303 and a second left main shaft 304 are arranged at the left side of the blank 1, a first right main shaft 305 and a second right main shaft 306 are arranged at the right side of the blank 1, then the blank 1 is transversely placed, a four-shaft machine tool 3 moves the left front ear 102 to the first left main shaft 303, the first left main shaft 303 can transversely drill holes, the processing of the first left hole 1021 and the first right hole 1041 is completed through the left front ear 102 and the right front ear 104, then the four-axis machine tool 3 moves the left rear ear 103 to the first left main shaft 303, the first left main shaft 303 can transversely drill holes, the processing of the second left hole 1031 and the second right hole 1051 is completed through the left rear ear 103 and the right rear ear 105, the first left main shaft 303 is half finish boring and reaming, generally, U-shaped drills are adopted as cutters of the first left main shaft 303, after half finish boring and reaming, the first right main shaft 1041 is moved to the first right main shaft 305, the first right main shaft 305 transversely enters the first right main shaft 1041 to finish boring, and continuously transversely moves to the first left main shaft 1021 to finish boring the first left main shaft 1021, then the second right main shaft 1051 is moved to the first right main shaft 305 to transversely enter the second right main shaft 1051 to finish boring, and continuously transversely moving to the second left hole 1031 to finish boring the second left hole 1031, after finish boring, moving the first left hole 1021 to the second left main shaft 304, using a spreading knife as a cutter to process the first clamp spring slot on the first left hole 1021, then moving the second left hole 1031 to the second left main shaft 304, processing the second clamp spring slot on the second left hole 1031, then moving the second clamp spring slot, then moving the first right hole 1041 to the second right main shaft 306, using the spreading knife as a cutter to process the third clamp spring slot on the first right hole 1041, moving the second right hole 1051 to the second right main shaft 306, and processing the fourth clamp spring slot on the second right main shaft 306, so as to obtain a double joint fork, wherein the processing sequence can be adjusted according to the requirements in the processing process, for example, after finish boring the second right hole 1051, then finish boring the first clamp spring 1041, then carrying out finish boring on the first clamp spring slot, and carrying out the second clamp spring slot, and carrying out the fourth clamp spring slot in the drawing, and carrying out the first clamp spring slot, and the fourth clamp spring slot.
The four-axis machine tool 3 can realize the transverse movement of the blank 1 by means of a cross sliding table, a screw sliding table transmission, a moving module, a telescopic plate and the like, and the four-axis machine tool 3 further comprises a housing 307, wherein a first left main shaft 303, a second left main shaft 304, a first right main shaft 305 and a second right main shaft 306 are fixedly arranged on the housing 307 and are not explained in detail.
As shown in fig. 1 to 9, in some embodiments, after the step seven is completed, the truss manipulator 2 moves the duplex fork to the detecting device 4, and the detecting device 4 detects at least 2 of the first left hole 1021, the second left hole 1031, the first right hole 1041 and the second right hole 1051, detects after the duplex fork is processed, and determines whether the duplex fork meets the requirement, and if not, performs reworking or scrapping treatment.
As shown in fig. 1 to 9, in some embodiments, the detecting device 4 includes a fixing frame 401, at least 1 cylinder 402 detachably disposed on the fixing frame 401, at least 1 detecting head 403, and a pneumatic gauge, a piston rod 404 is disposed in the cylinder 402, one end of the piston rod 404, which is away from the cylinder 402, is detachably provided with a sliding plate 405, the detecting head 403 is detachably disposed on the sliding plate 405, the sliding plate 405 is slidably connected with the cylinder 402, the detecting head 403 is electrically connected with the pneumatic gauge, the pneumatic gauge can accurately detect the shape and size of the inner hole, the pneumatic gauge adopts a PLC and a touch screen, so as to improve the visualization degree, and the fixing frame 401 can be installed at a position close to the truss manipulator 2 according to an on-site workshop environment, and is fixed by a bolt or welding mode.
As shown in fig. 1-9, in some embodiments, the slide plate 405 is detachably provided with a connecting plate 406, and the detecting head 403 is detachably provided on the connecting plate 406, so that the connecting effect is better, and the detecting head 403 is easier to install.
As shown in fig. 1-9, in some embodiments, the number of the cylinders 402 is 2, the number of the detecting heads 403 is 2, and 2 detecting heads 403 are electrically connected with the pneumatic measuring instrument, and the 2 detecting heads 403 detect at the same time, so as to improve the detection efficiency.
As shown in fig. 1-9, in some embodiments, the truss manipulator 2 includes a truss 201, a lateral movement module 202 disposed on the truss 201, a vertical movement module 203 connected to a sliding end of the lateral movement module 202, and an up-down bin 205 disposed below the vertical movement module 203, where a bottom end of the vertical movement module 203 is provided with a clamping jaw 204, half of the up-down bin 205 is a feeding area, and half is a discharging area, the lateral movement module 202 drives the vertical movement module 203 to laterally move, the vertical movement module 203 drives the clamping jaw 204 to vertically move, the clamping jaw 204 grabs a blank 1 to send the blank 1 to a fixture 302 of the four-axis machine tool 3, a feeding port is disposed above the four-axis machine tool 3, during actual production, an opening above the four-axis machine tool 3 is used for feeding, after processing is completed, a grabbing double-joint fork is placed into the up-down bin 205, or is detected first, and then placed into the up-down bin 205.
As shown in fig. 1-9, in some embodiments, the fixture 302 includes a first sliding seat 3021 and a second sliding seat 3022 slidably disposed on the machine 301, where the first sliding seat 3021 is provided with a first connection seat 3023, the first connection seat 3023 is symmetrically provided with a first left clamping plate 3024 and a first right clamping plate 3025, the second sliding seat 3022 is provided with a second connection seat 3026, the second connection seat 3026 is symmetrically provided with a second left clamping plate 3027 and a second right clamping plate 3028, the first connection seat 3023 is provided with a first inner clamping block, the second connection seat 3026 is provided with a second inner clamping block, the first left clamping plate 3024 clamps the left front ear 102, the second left clamping plate 3027 clamps the left rear ear 103, the first right clamping plate 3025 clamps the right front ear 104, the second right clamping plate 3028 clamps the right rear ear 105, and during processing, the blank 1, the blank 1 is prevented from sliding relatively to affect the processing quality, the yield is improved, further, the first left clamping plate 3024, the second left clamping plate 3027, the first right clamping plate 3025 and the second right clamping plate 3028 are all provided with V-shaped openings 3031, since the left front ear 102, the left rear ear 103, the right front ear 104 and the right rear ear 105 are in arc structures, sliding is easy to occur, in order to further improve the clamping effect, the V-shaped openings 3031 are matched with the arc structures, the clamping effect is better, meanwhile, a part of the inner surface of the blank 1 is an inner fork inclined surface 106, the positioning effect is better, the processing quality and the processing precision are improved by abutting the inner fork inclined surfaces 106 through the first clamping block 3029 and the second clamping block 3030, further, the first clamping block 3029 and the second clamping block 3030 are in a T shape, one end of the blank 1 facing the first clamping block 3029 is in a V shape, the surfaces of the first and second clamping blocks 3029 and 3030 that contact the inner fork inclined surface 106 are provided in an arc shape to better fit the inner fork inclined surface 106.
As shown in fig. 1-9, in some embodiments, during clamping, the hydraulic clamping cylinder 5 may be used to push the second sliding seat 3022 towards the blank 1, a sliding table is generally disposed on the machine 301, the first sliding seat 3021 and the second sliding seat 3022 are slidably connected with the machine 301 through the sliding table, the second sliding seat 3022 is slidably connected with the sliding table through a guide rail, the first sliding seat 3021 may be fixed, or may be driven by a hydraulic cylinder or the like, and the second sliding seat 3022 is matched to perform bidirectional moving clamping, which is not limited herein, the first clamping block 3029 and the second clamping block 3030 may be fixedly disposed on the first connecting seat 3023 and the second connecting seat 3026, or may be in a sliding connection manner, for example, the first connecting seat 3023 is made into an oil cylinder structure, the inside of which is provided with a hydraulic piston 6, so that the first clamping block 3029 may be telescopic, so as to facilitate better clamping the blank 1, the second clamping block 3030 may be slidably inserted into the second connecting seat 3026, and the second clamping block 3027 may be provided with a spring block 3037, so that the blank 1 is not matched with the second clamping block 3030, and the blank 1 is not matched with the size of the blank 1, and the size of the blank is not changed.
During machining, the machining time of each link is recorded, wherein the loading and clamping time of the blank 1 is 25%, the half-finish boring reaming and machining counter bore time is 60%, the finish boring time is 55%, the clamp spring groove machining is 20%, the moving unloading time is 25%, the machining total time is 185%, the machining beat is half of the original minimum machining time, the efficiency is doubled, the machining efficiency is obviously improved, and the machining method has excellent economic benefits.
The above examples are provided for the purpose of clearly illustrating the invention and are not to be construed as limiting the invention, and other variants and modifications of the various forms may be made by those skilled in the art based on the description, which are not intended to be exhaustive of all embodiments, and obvious variants or modifications of the invention may be found within the scope of the invention.
Claims (10)
1. The processing method for mass production of the double-joint fork is characterized by comprising the following steps of:
step one, forging and processing a blank, wherein a truss manipulator automatically loads the blank to a four-axis machine tool, the four-axis machine tool comprises a machine table, a clamp movably arranged on the machine table, a first left main shaft and a second left main shaft which are arranged on the left side of the blank, and a first right main shaft and a second right main shaft which are arranged on the right side of the blank, and the clamp clamps the blank;
step two, after the clamp clamps and positions the blank, moving the left front end of the blank to the first left main shaft, and drilling and countersinking the blank by the first left main shaft to obtain a first left hole and a first right hole;
after the step two is completed, moving the left rear end of the blank to the first left main shaft, and drilling and countersinking the blank by the first left main shaft to obtain a second left hole and a second right hole;
after the step three is completed, moving the first right hole to the first right main shaft, and finely boring the first right hole and the first left hole by the first right main shaft;
step five, after the step four is completed, moving the second right hole to the first right main shaft, and finely boring the second right hole and the second left hole by the first right main shaft;
step six, after the step five is completed, moving the first left side hole to the second left main shaft, performing first jump ring groove processing on the first left side hole by the second left main shaft, after the first jump ring groove processing is completed, moving the second left side hole to the second left main shaft, and performing second jump ring groove processing on the second left side hole by the first right main shaft;
step six, after the second snap spring groove is machined, moving the first right side hole to the second right main shaft, wherein the second right main shaft carries out third snap spring groove machining on the first right side hole, after the third snap spring groove machining is finished, moving the second right side hole to the second right main shaft, and the second right main shaft carries out fourth snap spring groove machining on the second right side hole, so that a double-joint fork is obtained;
and step seven, loosening the clamp, and unloading the double-joint fork by the truss manipulator.
2. The method according to claim 1, wherein after the step seven is completed, the truss manipulator moves the double-link fork to a detection device, and the detection device detects at least 2 of the first left hole, the second left hole, the first right hole and the second right hole.
3. The processing method for mass production of double-joint forks according to claim 1, wherein the detection device comprises a fixing frame, at least 1 cylinder detachably arranged on the fixing frame, at least 1 detection head and a pneumatic measuring instrument, a piston rod is arranged in the cylinder, a sliding plate is detachably arranged at one end of the piston rod, which is away from the cylinder, the detection head is detachably arranged on the sliding plate, the sliding plate is in sliding connection with the cylinder, and the detection head is electrically connected with the pneumatic measuring instrument.
4. The method for mass production of double-joint forks according to claim 3, wherein the connecting plate is detachably arranged on the sliding plate, and the detection head is detachably arranged on the connecting plate.
5. The method for mass production of double-joint forks according to claim 3, wherein the number of the cylinders is 2, the number of the detection heads is 2, and the 2 detection heads are electrically connected with the pneumatic measuring instrument.
6. The processing method for mass production of the double-link fork according to claim 1, wherein the truss manipulator comprises a truss, a transverse moving module arranged on the truss, a vertical moving module connected with the sliding end of the transverse moving module, and an upper and lower feed box arranged below the vertical moving module, and clamping jaws are arranged at the bottom end of the vertical moving module.
7. The method for mass production of double-joint forks according to claim 1, wherein the blank comprises a ring body, a left front ear and a left rear ear are arranged at the left end of the ring body, and a right front ear and a right rear ear are arranged at the right end of the ring body.
8. The processing method for mass production of double-joint forks according to claim 1, wherein the clamp comprises a first sliding seat and a second sliding seat which are arranged on the machine table in a sliding manner, the first sliding seat is provided with a first connecting seat, the first connecting seat is symmetrically provided with a first left clamping plate and a first right clamping plate, the second sliding seat is provided with a second connecting seat, the second connecting seat is symmetrically provided with a second left clamping plate and a second right clamping plate, the first connecting seat is provided with a first inner clamping block, and the second connecting seat is provided with a second inner clamping block.
9. The method for mass production of double-link forks as claimed in claim 8, wherein V-shaped openings are formed in each of the first left clamping plate, the second left clamping plate, the first right clamping plate and the second right clamping plate.
10. The method of claim 8, wherein the first and second clamping blocks are T-shaped and the ends of the first and second clamping blocks facing the blank are V-shaped.
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| CN202310012406.0A CN116060882A (en) | 2023-01-05 | 2023-01-05 | Processing method for mass production of double-joint fork |
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| CN202310012406.0A CN116060882A (en) | 2023-01-05 | 2023-01-05 | Processing method for mass production of double-joint fork |
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